MAS6260 带有LDO的锂离子和锂聚合物电池充电器IC

MAS6260 是用于单节锂离子和锂聚合物电池的充电器 IC。它包括 150mA 低压差 (LDO) 稳压器和电池和 IC 保护功能。充电使用 CC/CV 算法，其快速充电电流可通过外部电阻器编程至 400mA。预充电和终止电流是相对于编程的快速充电电流确定的。MAS6260 提供三种不同的浮动电压选项；4.2V、4.35V 和 4.4V。

该设备具有自动电源路径控制。当输入电源电压可用时，所有电源都来自输入。这包括从 LDO 和 SYS 引脚对电池充电和加载。当有效输入电压不可用且电池未耗尽时，设备切换到电池供电。MAS6260 包括电池过充、过放和过温保护。此外，输入 (VIN) 和两个输出 (SYS、LDO) 都有过流保护。在四种不同的故障条件下，设备会发出不同的故障条件信号。充电和关机模式由系统控制。在关断模式下，电池电流消耗被最小化，以最大限度地延长电池寿命。MAS6260 采用小型 DFN-12 3x3x0.75 mm 封装。

MAS6260 is a charger IC for single-cell Li-Ion and LiPo batteries. It includes 150mA low-dropout (LDO) regulator and protection functions for battery and the IC. Charging uses CC/CV algorithm and its fast charge current is programmable up to 400mA with an external resistor. Pre-charge and termination currents are determined relative to programmed fast charge current. The MAS6260 is available with three different floating voltage options; 4.2V, 4.35V and 4.4V.

The device has automatic power path control. When input supply voltage is available all power is taken from the input. That includes battery charging and loading from LDO and SYS pins. When valid input voltage is not available and the battery is not empty the device switches to battery power. MAS6260 includes battery overcharge, overdischarge and overtemperature protection. Additionally there is overcurrent protection at the input (VIN) and at both outputs (SYS, LDO). There are four different faulty conditions at which the device gives distinctive fault condition signals. Charging and shutdown modes are controlled from the system. In shutdown mode the battery current consumption is minimized to maximize battery life. MAS6260 is available in a small DFN-12 3x3x0.75 mm package.